// import { asyncRoutes, constantRoutes } from '@/router/router'

// /**
//  * Use meta.role to determine if the current user has permission
//  * @param roles
//  * @param route
//  */
// function hasPermission(roles, route) {
//   if (route.meta && route.meta.roles) {
//     return roles.some(role => route.meta.roles.includes(role))
//   } else {
//     return true
//   }
// }

// /**
//  * Filter asynchronous routing tables by recursion
//  * @param routes asyncRoutes
//  * @param roles
//  */
// export function filterAsyncRoutes(routes, roles) {
//   const res = []

//   routes.forEach(route => {
//     const tmp = { ...route }
//     if (hasPermission(roles, tmp)) {
//       if (tmp.children) {
//         tmp.children = filterAsyncRoutes(tmp.children, roles)
//       }
//       res.push(tmp)
//     }
//   })

//   return res
// }

// const state = {
//   routes: [],
//   addRoutes: []
// }

// const mutations = {
//   SET_ROUTES: (state, routes) => {
//     state.addRoutes = routes
//     state.routes = constantRoutes.concat(routes)
//   }
// }

// const actions = {
//   generateRoutes({ commit }, roles) {
//     return new Promise(resolve => {
//       let accessedRoutes
//       if (roles.includes('ROLE_ADMIN')) {
//         accessedRoutes = asyncRoutes || []
//       } else {
//         accessedRoutes = filterAsyncRoutes(asyncRoutes, roles)
//       }
//       commit('SET_ROUTES', accessedRoutes)
//       resolve(accessedRoutes)
//     })
//   }
// }

// export default {
//   namespaced: true,
//   state,
//   mutations,
//   actions
// }

// import { constantRouterMap } from '@/router/routers'
// import Layout from '@/layout/index'
// import ParentView from '@/components/ParentView'

// const permission = {
//   state: {
//     routers: constantRouterMap,
//     addRouters: [],
//     sidebarRouters: []
//   },
//   mutations: {
//     SET_ROUTERS: (state, routers) => {
//       state.addRouters = routers
//       state.routers = constantRouterMap.concat(routers)
//     },
//     SET_SIDEBAR_ROUTERS: (state, routers) => {
//       state.sidebarRouters = routers
//     }
//   },
//   actions: {
//     GenerateRoutes({ commit }, asyncRouter) {
//       commit('SET_ROUTERS', asyncRouter)
//     },
//     SetSidebarRouters({ commit }, sidebarRouter) {
//       commit('SET_SIDEBAR_ROUTERS', sidebarRouter)
//     }
//   }
// }

// export const filterAsyncRouter = (routers, isRewrite = false) => { // 遍历后台传来的路由字符串，转换为组件对象
//   return routers.filter(router => {
//     if (isRewrite && router.children) {
//       router.children = filterChildren(router.children)
//     }
//     if (router.component) {
//       if (router.component === 'Layout') { // Layout组件特殊处理
//         router.component = Layout
//       } else if (router.component === 'ParentView') {
//         router.component = ParentView
//       } else {
//         const component = router.component
//         router.component = loadView(component)
//       }
//     }
//     if (router.children && router.children.length) {
//       router.children = filterAsyncRouter(router.children, router, isRewrite)
//     }
//     return true
//   })
// }

// function filterChildren(childrenMap) {
//   var children = []
//   childrenMap.forEach((el, index) => {
//     if (el.children && el.children.length) {
//       if (el.component === 'ParentView') {
//         el.children.forEach(c => {
//           c.path = el.path + '/' + c.path
//           if (c.children && c.children.length) {
//             children = children.concat(filterChildren(c.children, c))
//             return
//           }
//           children.push(c)
//         })
//         childrenMap.splice(index, 1)
//         return
//       }
//     }
//     children = children.concat(el)
//   })
//   return children
// }

// export const loadView = (view) => {
//   return (resolve) => require([`@/views/${view}`], resolve)
// }

// export default permission


import { constantRouterMap } from '@/router/router'
import Layout from '@/layout/index'
import ParentView from '@/components/ParentView'

const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: [],
    sidebarRouters: []
  },
  mutations: {
    SET_ROUTERS: (state, routers) => {
      state.addRouters = routers
      state.routers = constantRouterMap.concat(routers)
    },
    SET_SIDEBAR_ROUTERS: (state, routers) => {
      state.sidebarRouters = constantRouterMap.concat(routers)
    }
  },
  actions: {
    GenerateRoutes({ commit }, asyncRouter) {
      commit('SET_ROUTERS', asyncRouter)
    },
    SetSidebarRouters({ commit }, sidebarRouter) {
      commit('SET_SIDEBAR_ROUTERS', sidebarRouter)
    }
  }
}

export const filterAsyncRouter = (routers, isRewrite = false) => { // 遍历后台传来的路由字符串，转换为组件对象
  return routers.filter(router => {
    if (isRewrite && router.children) {
      router.children = filterChildren(router.children)
    }
    if (router.component) {
      if (router.component === 'Layout') { // Layout组件特殊处理
        router.component = Layout
      } else if (router.component === 'ParentView') {
        router.component = ParentView
      } else {
        const component = router.component
        router.component = loadView(component)
      }
    }
    if (router.children && router.children.length) {
      router.children = filterAsyncRouter(router.children, router, isRewrite)
    }
    return true
  })
}

function filterChildren(childrenMap) {
  var children = []
  childrenMap.forEach((el, index) => {
    if (el.children && el.children.length) {
      if (el.component === 'ParentView') {
        el.children.forEach(c => {
          c.path = el.path + '/' + c.path
          if (c.children && c.children.length) {
            children = children.concat(filterChildren(c.children, c))
            return
          }
          children.push(c)
        })
        return
      }
    }
    children = children.concat(el)
  })
  return children
}

export const loadView = (view) => {
  return (resolve) => require([`@/views/${view}`], resolve)
}

export default permission

